/Engine/Source/Runtime/Engine/Public/AnimationUtils.h
static int32 GetAnimTrackIndexForSkeletonBone ( const int32 InSkeletonBoneIndex, const [TArray](API\Runtime\Core\Containers\TArray)< [FTrackToSkeletonMap](API\Runtime\Engine\Animation\FTrackToSkeletonMap) > & TrackToSkelMap )